/* ============================================================
   曉山波 SOLPO Design Studio — main.css
   設計稿：Figma「曉山波官方網站」1920 桌機版
   斷點：≤1200 小桌機、≤1024 平板、≤600 手機
   ============================================================ */

/* === 1. DESIGN TOKENS（對應 Figma variables）=== */
:root {
  --n-50:  #faf5f5;
  --n-100: #e8eded;
  --n-200: #d9dcde;
  --n-300: #c3c6c7;
  --n-400: #a0a2a3;
  --n-500: #797a7b;
  --n-600: #5a5b5c;
  --n-700: #494a4a;
  --n-800: #2d2e2e;
  --n-900: #202121;
  --n-950: #0e0e0e;
  --n-10:  #313532;
  --white: #ffffff;

  --p-50:  #eaf5f9;
  --p-100: #dbe8ee;
  --p-200: #bad5e0;
  --p-300: #80a8bc;
  --p-400: #6591a8;
  --p-500: #4b768f;
  --p-600: #416279;
  --p-700: #395265;
  --p-800: #334555;
  --p-900: #2d3b49;
  --p-950: #24303c;

  --font-tc:    'Noto Sans TC', sans-serif;
  --font-en:    'Roboto', 'Noto Sans TC', sans-serif;
  --font-serif: 'Roboto Serif', 'Noto Serif TC', serif;

  /* 字級（桌機）*/
  --fs-display: 80px;   /* Display 1 */
  --fs-title1:  56px;   /* Title 1 */
  --lh-title1:  92px;
  --fs-title2:  24px;   /* Title 2 / Content 1 */
  --lh-title2:  41.4px;   /* 原 36px，行距 +15% */
  --fs-body:    16px;   /* Content 2 / Button 1 */
  --lh-body:    30px;   /* 內文行高 1.875 倍，參考走入森海／報導者的寬鬆行距 */

  --radius-pill: 40px;
  --radius-img:  24px;

  --container: 1440px;
  --narrow:    1296px;
  --gutter:    48px;

  --header-top: 40px;
  --header-h:   88px;

  --ease: cubic-bezier(.4, 0, .2, 1);
  --t:    .2s;
}

/* === 2. RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { overflow-x: hidden; overflow-x: clip; scroll-behavior: smooth; background: var(--n-50); }   /* clip 不會讓 position: sticky 失效；舊瀏覽器退回 hidden */
body {
  letter-spacing: .05em;   /* 字距 +5%，比較好閱讀 */
  font-family: var(--font-tc);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--n-950);
  background: var(--n-50);
  overflow-x: hidden;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  animation: page-fade-in .2s ease-out;
}
@keyframes page-fade-in { from { opacity: 0; } to { opacity: 1; } }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* SVG 圖示：顏色一律用 currentColor */
.i { display: block; flex-shrink: 0; fill: currentColor; }
.i-24 { width: 24px; height: 24px; }
/* 線條圖示：不管顯示多大，線條都固定 1.75px（non-scaling-stroke），端點圓角 */
svg.i-line, svg.i-line * { fill: none !important; }
.i-line { stroke: currentColor; stroke-width: 1.75px; stroke-linecap: round; stroke-linejoin: round; }
.i-line * { vector-effect: non-scaling-stroke; }
svg.i-line .f { fill: currentColor !important; stroke: none; }
.nav-hamburger .i, .mobile-menu-close .i { width: 32px; height: 32px; }
.i-56 { width: 56px; height: 56px; }

/* === 3. LAYOUT === */
.container {
  width: min(var(--container), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}
.container-narrow {
  width: min(var(--narrow), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}
main { display: block; }
.page { padding-top: calc(var(--header-top) + var(--header-h) + 24px); }   /* 返回按鈕與 Header 間距 24px */

/* === 4. HEADER（HeaderBar）=== */
.site-header {
  position: fixed;
  top: var(--header-top);
  left: 0; right: 0;
  z-index: 200;
  pointer-events: none;
  transition: transform .35s var(--ease);
}
.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.glass {
  background: rgba(250, 245, 245, .4);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--white);
}
/* Header 兩種狀態：在頁面頂端（首頁＝還在 Banner 上）只有淡淡白底、不模糊；
   往下捲離 Banner 後才加上毛玻璃，存在感隨情境出現 */
.site-header .glass {
  background: rgba(250, 245, 245, .3);
  border-color: transparent;   /* Header 色塊不要白邊 */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease, -webkit-backdrop-filter .3s ease;
}
.site-header.is-scrolled .glass {
  background: rgba(250, 245, 245, .72);
  border-color: transparent;
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
}
.header-logo {
  pointer-events: auto;
  height: var(--header-h);
  padding: 0 16px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
}
.header-logo img { width: 231px; height: 60px; object-fit: contain; }

.header-menu {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
  padding: 0 16px 0 32px;
  border-radius: var(--radius-pill);
}
.header-divider { width: 1px; height: 40px; background: var(--n-300); }

.sns-link { color: var(--p-950); display: flex; transition: color var(--t); }
.sns-link .i { width: 24px; height: 24px; }
/* Header 的 IG、FB 靠近一點（整列間距 28px，社群兩顆之間 20px）*/
@media (min-width: 1025px) { .header-menu .sns-link + .sns-link { margin-left: -8px; } }

/* Text button */
.text-btn {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 16px;
  line-height: 24px;
  color: var(--p-950);
  transition: color var(--t);
}
.text-btn.is-active { color: var(--p-300); }
.text-btn:active, .text-btn.is-pressed, .sns-link:active { color: var(--p-500); }

/* btn_primary（Contact）*/
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px 24px;
  border-radius: var(--radius-pill);
  background: var(--p-300);
  color: var(--p-950);
  font-weight: 700;
  font-size: 16px;
  line-height: 24px;
  white-space: nowrap;
  filter: drop-shadow(0 0 6px rgba(36, 48, 60, .25));
  transition: background var(--t), gap var(--t);
}
.btn-primary:active, .btn-primary.is-pressed { background: var(--p-500); gap: 8px; }
.btn-primary:disabled { opacity: .3; cursor: default; }

/* Hamburger（手機）*/
.nav-hamburger { display: none; pointer-events: auto; color: var(--p-950); }

/* Mobile menu（沿用作品集網站）*/
.mobile-menu {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(250, 245, 245, .97);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 40px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .28s ease, visibility .28s;
}
.mobile-menu.open { opacity: 1; visibility: visible; pointer-events: all; }
.mobile-menu .text-btn { font-size: 24px; line-height: 36px; }
.mobile-menu .btn-primary { font-size: 18px; padding: 16px 32px; }
.mobile-menu-sns { display: flex; gap: 32px; }
.mobile-menu-sns .i { width: 28px; height: 28px; }
.mobile-menu-close {
  position: absolute; top: 16px; right: 16px;
  width: 64px; height: 64px;
  display: flex; align-items: center; justify-content: center;
  color: var(--p-950);
  opacity: 0; transform: rotate(-45deg) scale(.6);
  transition: opacity .22s ease .08s, transform .22s ease .08s;
}
.mobile-menu.open .mobile-menu-close { opacity: 1; transform: none; }

/* === 5. BUTTONS === */
/* btn_icon（圓形 icon 按鈕，56）*/
.btn-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-pill);
  display: flex; align-items: center; justify-content: center;
  color: var(--p-950);
  flex-shrink: 0;
  transition: background var(--t), color var(--t), opacity var(--t);
}
.btn-icon .i { width: 56px; height: 56px; }
.btn-icon:active:not(:disabled), .btn-icon.is-pressed { background: var(--p-300); }
.btn-icon:disabled { opacity: .3; cursor: default; }

/* btn_text+icon_S（See More / Show Detail）
   預設 gap 4px → hover / press 8px，圓形底色淡入；動態節奏與 Contact 按鈕相同 */
.btn-text-icon {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
  color: var(--p-950);
  white-space: nowrap;
  transition: gap var(--t) var(--ease);
}
.btn-text-icon .icon-wrap {
  position: relative;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.btn-text-icon .icon-wrap::before {
  content: '';
  position: absolute; left: 50%; top: 50%;
  width: 36px; height: 36px;
  margin: -18px 0 0 -18px;
  border-radius: 50%;
  background: transparent;
  transform: scale(.6);
  transition: background var(--t) var(--ease), transform var(--t) var(--ease);
}
.btn-text-icon .icon-wrap .i { position: relative; width: 24px; height: 24px; }
.btn-text-icon:active, .btn-text-icon.is-pressed { gap: 8px; }
.btn-text-icon:active .icon-wrap::before, .btn-text-icon.is-pressed .icon-wrap::before { background: var(--p-300); transform: none; }

/* btn_Icon+Text（返回按鈕）*/
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 16px 6px 6px;
  border-radius: var(--radius-pill);
  background: var(--n-50);
  font-weight: 500;
  font-size: 16px;          /* 跟 See More 按鈕同尺寸：文字 16px、icon 24px、hover 圓底 36px */
  line-height: 24px;
  color: var(--p-950);
  max-width: 100%;
  transition: gap var(--t);
}
.btn-back .icon-wrap {
  width: 36px; height: 36px; flex-shrink: 0;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t);
}
.btn-back .icon-wrap .i { width: 24px; height: 24px; }
.btn-back span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 返回按鈕固定在左上角（Header 下方）：往下捲隱藏，停住 3 秒或往上捲再出現（沿用作品集網站的做法）
   原位置留一個同高的空位，內容才不會往上跳 */
.back-slot { min-height: 48px; }
.btn-back.is-fixed {
  position: fixed;
  top: calc(var(--header-top) + var(--header-h) + 24px);   /* 跟 .page 的上方留白一致 */
  z-index: 190;
  max-width: calc(100vw - var(--gutter) * 2);
  border: 1px solid rgba(255, 255, 255, .6);
  background: rgba(250, 245, 245, .3);
  transition: gap var(--t), opacity .3s ease, transform .3s ease, top .35s var(--ease),
              background .3s ease, border-color .3s ease, backdrop-filter .3s ease, -webkit-backdrop-filter .3s ease;
}
/* 跟 Header 同步：離開頁面頂端後換成毛玻璃，浮在內容上也看得清楚 */
.site-header.is-scrolled ~ main .btn-back.is-fixed {
  background: rgba(250, 245, 245, .72);
  border-color: transparent;
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
}
.btn-back.is-fixed.is-hidden { opacity: 0; transform: translateY(-8px); pointer-events: none; }
/* 手機 Header 隱藏時，返回按鈕往上補位 */
body.header-hidden .btn-back.is-fixed { top: var(--header-top); }
.btn-back:active, .btn-back.is-pressed { gap: 8px; }
.btn-back:active .icon-wrap, .btn-back.is-pressed .icon-wrap { background: var(--p-300); }

/* btn_FilterChips */
.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--p-300);
  border-radius: 100px;
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
  color: var(--p-950);
  /* 切換時的緩衝：底色淡入、按下時輕微內縮再彈回、勾勾從小長出來，按鈕寬度也平滑變化 */
  transition: background .3s ease, border-color .3s ease, transform .35s cubic-bezier(.34, 1.56, .64, 1);
}
.chip:active, .chip.is-pressed { transform: scale(.94); transition-duration: .3s, .3s, .12s; }
.chip .i {
  display: block;
  width: 0; height: 24px;
  margin-left: 0;
  opacity: 0;
  transform: scale(.3) rotate(-30deg);
  transition: width .3s var(--ease), margin .3s var(--ease), opacity .2s ease, transform .35s cubic-bezier(.34, 1.56, .64, 1);
}
.chip.is-selected { background: var(--p-200); }
.chip.is-selected .i { width: 24px; margin-left: 2px; opacity: 1; transform: none; transition-delay: 0s, 0s, .05s, .05s; }
.chip:active, .chip.is-pressed { background: var(--p-200); }
.chip.is-selected:active, .chip.is-selected.is-pressed { background: var(--p-400); }

/* hover 只給有游標的裝置（避免手機 hover 卡住）*/
@media (hover: hover) {
  .sns-link:hover, .text-btn:hover { color: var(--p-300); }
  .btn-primary:hover { background: var(--p-400); gap: 8px; }
  .btn-primary:active { background: var(--p-500); }
  .btn-icon:hover:not(:disabled) { background: var(--p-200); }
  .btn-icon:active:not(:disabled) { background: var(--p-300); }
  .btn-text-icon:hover { gap: 8px; }
  .btn-text-icon:hover .icon-wrap::before { background: var(--p-200); transform: none; }
  .btn-text-icon:active .icon-wrap::before { background: var(--p-300); }
  .btn-back:hover { gap: 8px; }
  .btn-back:hover .icon-wrap { background: var(--p-200); }
  .btn-back:active .icon-wrap { background: var(--p-300); }
  .chip:hover { background: var(--p-50); }
  .chip:active { background: var(--p-200); }
  .chip.is-selected:hover { background: var(--p-300); }
  .chip.is-selected:active { background: var(--p-400); }
}

/* === 6. TITLE BAR === */
.title-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--n-100);
}
.title-bar h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--fs-display);
  line-height: 1.2;
  color: var(--p-200);
}
/* 標題旁有 See More 時：標題往下移，讓文字基線跟 See More 對齊；按鈕與分隔線位置不變，
   標題的字尾（j、g 等）可以蓋到分隔線。
   位移量 = 標題基線以下的高度（約 .2625em）− 按鈕基線以下的高度（5px） */
.title-bar:has(> .btn-text-icon) h2 { position: relative; top: calc(.2625em - 5px); }

/* === 7. PLACEHOLDER（Pic_Fake：之後要補圖的位置）=== */
.pic-fake {
  position: relative;
  background: var(--p-200);
  border-radius: var(--radius-img);
  overflow: hidden;
}
.pic-fake::before {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(to top right, transparent calc(50% - .6px), rgba(255,255,255,.8) 50%, transparent calc(50% + .6px)),
    linear-gradient(to bottom right, transparent calc(50% - .6px), rgba(255,255,255,.8) 50%, transparent calc(50% + .6px));
}
.pic-fake[data-label]::after {
  content: attr(data-label);
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(255,255,255,.85);
  font-size: 13px; line-height: 20px;
  color: var(--p-500);
  white-space: nowrap;
}

/* === 8. HOME — HERO 輪播 === */
.hero { position: relative; }
.hero-viewport {
  position: relative;
  height: clamp(536px, calc(47.92vw - 24px), 896px);
  overflow: hidden;
  background: var(--p-100);
}
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .7s ease, visibility .7s;
}
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(calc(var(--zoom, 1) * 1.04));
  transition: transform 6s ease-out;
}
.hero-slide.is-active img { transform: scale(var(--zoom, 1)); }
.hero-card-wrap {
  position: absolute;
  left: 0; right: 0; bottom: 60px;
  pointer-events: none;
}
.hero-card {
  pointer-events: auto;
  margin-left: 0;   /* 左側跟 Header 的 LOGO 框對齊 */
  width: 546px;
  max-width: 100%;
  padding: 32px 36px 26px;
  border-radius: var(--radius-pill);
  background: rgba(250, 245, 245, .65);
  border: 1px solid var(--white);
  display: flex; flex-direction: column;
}
.hero-card-text { display: flex; flex-direction: column; gap: 16px; }
.hero-card-title { font-weight: 500; font-size: var(--fs-body); line-height: var(--lh-body); }
.hero-card-desc {
  font-size: var(--fs-body); line-height: var(--lh-body);
  display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden;
}
.hero-card .fade { transition: opacity .3s ease; }
/* Show Detail：手機／觸控裝置一直顯示；有游標的桌機平常收起，滑入卡片才展開（卡片底部固定，往上長）*/
.hero-card-action { display: grid; grid-template-rows: 1fr; }
.hero-card-action > div { min-height: 0; overflow: hidden; }
.hero-card-action-pad { padding: 24px 8px 6px 0; }   /* 下方 6px 留給 hover 圓形底，卡片底部 padding 相對少 6px */
@media (hover: hover) and (min-width: 601px) {
  .hero-card-action {
    grid-template-rows: 0fr;
    opacity: 0;
    transition: grid-template-rows .3s var(--ease), opacity .2s ease;
  }
  .hero-card:hover .hero-card-action,
  .hero-card:focus-within .hero-card-action { grid-template-rows: 1fr; opacity: 1; transition: grid-template-rows .3s var(--ease), opacity .25s ease .08s; }
}
.hero-card.is-switching .fade { opacity: 0; }

.hero-controls {
  display: flex; align-items: center; justify-content: center;
  gap: 16px;
  /* 寬度只包住「箭頭＋指示點」，外圍留 12px 緩衝：游標靠近控制鈕才暫停輪播 */
  width: fit-content;
  margin: 12px auto 0;
  padding: 12px;
  border-radius: var(--radius-pill);
}
.hero-dots { display: flex; align-items: center; gap: 16px; }
.hero-dot {
  width: 12px; height: 12px;
  border-radius: 1000px;
  background: var(--p-200);
  transition: width .3s var(--ease), background .3s;
}
.hero-dot.is-active { width: 48px; background: var(--p-300); }

/* 自動輪播時：目前的色塊條變成進度條（底色 P-200，P-300 從左填滿）*/
.hero.is-autoplay .hero-dot { position: relative; overflow: hidden; }
.hero.is-autoplay .hero-dot.is-active { background: var(--p-200); }
.hero.is-autoplay .hero-dot.is-active::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  background: var(--p-300);
  transform-origin: left center;
  animation: hero-progress var(--hero-duration, 6s) linear forwards;
}
.hero.is-paused .hero-dot.is-active::after { animation-play-state: paused; }
@keyframes hero-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* === 9. HOME — SECTIONS === */
.home-about { margin-top: 80px; }
.home-projects { margin-top: 160px; }
.section-body { margin-top: 60px; }

/* Block_Info */
.block-info {
  display: grid;
  grid-template-columns: 788fr 592fr;   /* 圖放大、文字欄縮小 20% */
  gap: 60px;
  align-items: start;
}
.block-info .pic-fake { aspect-ratio: 4 / 3; }
.block-info-img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-img); background: var(--p-100); }
.block-info-text p { font-size: var(--fs-body); line-height: var(--lh-body); }
.block-info-text p + p { margin-top: var(--lh-body); }

/* === 10. CARD — card_projects_h（首頁）=== */
.card-list { display: flex; flex-direction: column; gap: 40px; }
.card-h {
  display: flex;
  align-items: stretch;
  gap: 24px;
  padding: 16px;
  border-radius: var(--radius-pill);
  transition: background var(--t);
}
.card-h .card-img { width: 456px; aspect-ratio: 456 / 256; flex-shrink: 0; }
.card-h-body {
  flex: 1; min-width: 0;
  padding: 24px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 16px;
}
.card-h-title {
  font-weight: 500; font-size: var(--fs-title2); line-height: var(--lh-title2);
  color: var(--n-10);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-h-desc {
  margin-top: 8px;
  font-size: var(--fs-body); line-height: var(--lh-body);
  color: var(--n-600);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-h-foot { display: flex; justify-content: flex-end; }
/* 桌機／平板：箭頭跟左邊的卡片圖垂直置中，文字維持靠上 */
@media (min-width: 601px) {
  .card-h-body { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .card-h-body > div:first-child { flex: 1; min-width: 0; }
  .card-h-foot { align-self: center; }
}

/* 共用卡片元素 */
.card-img {
  border-radius: var(--radius-img);
  overflow: hidden;
  background: var(--p-100);
}
.card-img img { width: 100%; height: 100%; object-fit: cover; transform: scale(var(--zoom, 1)); transition: transform .5s var(--ease); }
.card-tags {
  display: flex; flex-wrap: wrap; gap: 0 12px;
  font-size: 16px; line-height: 24px;
  color: var(--n-400);
  margin-bottom: 8px;
}
.card-tags span:not(.cat)::before { content: '#'; }
.card-tags .cat { color: var(--p-500); font-weight: 500; }
.card-tags .cat + span:not(.cat) { margin-left: 4px; }
.card-arrow {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--p-300);
  flex-shrink: 0;
  transition: background var(--t), color var(--t);
}
.card-arrow .i { width: 56px; height: 56px; }

/* hover / press（Figma：Hover = P-50 底、P-200 圓；Press = P-100 底、P-300 圓）*/
.card-h:active, .card-h.is-pressed,
.card-v:active, .card-v.is-pressed { background: var(--p-100); }
.card-h:active .card-arrow, .card-h.is-pressed .card-arrow,
.card-v:active .card-arrow, .card-v.is-pressed .card-arrow { background: var(--p-300); color: var(--p-950); }
@media (hover: hover) {
  .card-h:hover, .card-v:hover { background: var(--p-50); }
  .card-h:hover .card-arrow, .card-v:hover .card-arrow { background: var(--p-200); color: var(--p-950); }
  .card-h:hover .card-img img, .card-v:hover .card-img img { transform: scale(calc(var(--zoom, 1) * 1.03)); }
  .card-h:active, .card-v:active { background: var(--p-100); }
  .card-h:active .card-arrow, .card-v:active .card-arrow { background: var(--p-300); }
}

/* === 11. CARD — card_projects_v（Projects 頁）=== */
.projects-filter { margin-top: 40px; }
.projects-grid {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px 64px;
}
.card-v {
  display: flex; flex-direction: column; gap: 24px;
  padding: 16px;
  border-radius: var(--radius-pill);
  transition: background var(--t);
}
.card-v .card-img { aspect-ratio: 584 / 308; }
.card-v-body { padding: 0 16px; }
.card-v-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.card-v-title {
  font-weight: 500; font-size: var(--fs-title2); line-height: var(--lh-title2);
  color: var(--n-10);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  min-width: 0;
}
.card-v.is-hidden { display: none; }
.projects-empty { margin-top: 80px; text-align: center; color: var(--n-500); font-size: var(--fs-title2); }

/* === 12. ABOUT === */
.about-service, .about-info { margin-top: 80px; }
.about-info { margin-top: 160px; }

/* === Process 直式流程（參考作品集 Experience 時間軸）=== */
.about-process { margin-top: 80px; }
.about-process + .about-service { margin-top: 160px; }
.process-list { list-style: none; max-width: 960px; margin-inline: auto; }
.process-item { display: grid; grid-template-columns: 96px 48px 1fr; align-items: stretch; }
.process-num {
  font-family: var(--font-serif); font-weight: 600;
  font-size: 32px; line-height: 1;
  color: var(--p-300);
  text-align: right;
  padding: 30px 16px 0 0;
}
.process-spine { display: flex; flex-direction: column; align-items: center; }
.process-dot {
  width: 16px; height: 16px; flex-shrink: 0;
  margin-top: 36px;
  border-radius: 50%;
  border: 2px solid var(--p-300);
  background: var(--n-50);
}
.process-line { width: 2px; flex: 1; margin-top: 6px; background: var(--n-100); }
.process-item:last-child .process-line { display: none; }
/* JS 會用 .process-card-slot 包住卡片，做按壓 3D 互動（見 main.js initProcessTilt）*/
.process-card-slot { perspective: 1000px; min-width: 0; }
.process-card-slot > .process-card {
  will-change: transform;
  /* 陰影色：P-950 混入約 15% 的 P-500，帶一點點品牌藍 */
  box-shadow: var(--tsx, 0px) var(--tsy, 0px) var(--tsb, 0px) rgba(42, 59, 73, var(--tso, 0));
}
.process-card {
  margin: 12px 0 12px 16px;
  padding: 24px 32px;
  border: 1px solid var(--n-100);
  border-radius: var(--radius-img);
  background: rgba(255, 255, 255, .4);
}
.process-name { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; font-weight: 500; }
.process-name .zh { font-size: var(--fs-title2); line-height: var(--lh-title2); color: var(--p-300); }
.process-name .en { font-size: var(--fs-body); line-height: var(--lh-body); color: var(--n-500); }
.process-desc { margin-top: 8px; font-size: var(--fs-body); line-height: var(--lh-body); color: var(--n-950); }
.process-output { margin-top: 12px; font-size: 14px; line-height: 25.3px; color: var(--n-500); }
.process-output span {
  display: inline-block; margin-right: 8px; padding: 0 8px;
  border-radius: 100px; background: var(--p-50); color: var(--p-500);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 80px;
}
.block-service { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: start; }
.block-service .pic-fake { aspect-ratio: 1; }
/* 暫時用 Material Symbols icon 代替服務圖片（之後換正式圖片時，改回圖片即可，尺寸相同）*/
.service-icon {
  aspect-ratio: 1;
  border-radius: var(--radius-img);
  background: var(--p-50);
  color: var(--p-500);
  display: flex; align-items: center; justify-content: center;
}
.service-icon svg { width: 40.8%; height: auto; fill: currentColor; }

/* Service icon 動態：每個 icon 依意義各自設計，約 2 秒播一次（桌機滑入時、手機捲到畫面時）
   不放大、不變底色，避免看起來像可點擊的按鈕 */
.service-icon svg { overflow: visible; }
.service-icon .fx { transform-box: fill-box; }
.service-icon .ray { stroke: var(--p-300); stroke-width: 34; stroke-linecap: round; opacity: 0; transform-origin: center; }
.service-icon .node { fill: var(--p-200); opacity: 0; }
.service-icon .stroke { fill: none; stroke: var(--p-300); stroke-width: 30; stroke-linecap: round; stroke-dasharray: 420; stroke-dashoffset: 420; opacity: 0; }
.service-icon .brush-body { transform-origin: 95% 5%; }
.service-icon .badge-body { transform-origin: center; }
.service-icon .page { transform-origin: 0% 100%; }
.service-icon .spark { fill: var(--p-300); opacity: 0; transform-origin: center; transform: scale(0); }

.is-playing .ray       { animation: fx-ray 2s ease var(--d, 0s) both; }
.is-playing .node      { animation: fx-node 1.6s ease var(--d, 0s) both; }
.is-playing .brush-body{ animation: fx-brush 1.6s ease-in-out both; }
.is-playing .stroke    { animation: fx-stroke 2s ease both; }
.is-playing .badge-body{ animation: fx-stamp 1.2s cubic-bezier(.34, 1.56, .64, 1) both; }
.is-playing .check     { animation: fx-check 2s ease both; }
.is-playing .page      { animation: fx-page 1.8s ease-in-out both; }
.is-playing .spark     { animation: fx-spark 1.5s ease var(--d, 0s) both; }

@keyframes fx-ray   { 0% { opacity: 0; transform: scale(.3); } 15% { opacity: 1; transform: scale(1); } 32% { opacity: .2; } 48% { opacity: 1; } 80% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(.6); } }
@keyframes fx-node  { 0% { opacity: 0; } 20% { opacity: 1; } 75% { opacity: 1; } 100% { opacity: 0; } }
@keyframes fx-brush { 0%, 100% { transform: rotate(0); } 18% { transform: rotate(-12deg); } 38% { transform: rotate(8deg); } 58% { transform: rotate(-12deg); } 78% { transform: rotate(6deg); } }
@keyframes fx-stroke{ 0% { opacity: 0; stroke-dashoffset: 420; } 12% { opacity: 1; } 70% { stroke-dashoffset: 0; opacity: 1; } 85% { opacity: 1; stroke-dashoffset: 0; } 100% { opacity: 0; stroke-dashoffset: 0; } }
@keyframes fx-stamp { 0% { transform: scale(1) rotate(0); } 25% { transform: scale(.84) rotate(-8deg); } 55% { transform: scale(1.05) rotate(2deg); } 100% { transform: scale(1) rotate(0); } }
@keyframes fx-check { 0% { clip-path: inset(0 0 0 0); } 10%, 45% { clip-path: inset(0 100% 0 0); } 80%, 100% { clip-path: inset(0 0 0 0); } }
@keyframes fx-page  { 0%, 100% { transform: scaleX(1); } 22% { transform: scaleX(0); } 44% { transform: scaleX(1); } 66% { transform: scaleX(0); } 88% { transform: scaleX(1); } }
@keyframes fx-spark { 0% { opacity: 0; transform: scale(0); } 30% { opacity: 1; transform: scale(1); } 55% { opacity: .5; transform: scale(.6); } 75% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(0); } }
.block-service-text { display: flex; flex-direction: column; gap: 12px; font-size: var(--fs-title2); line-height: var(--lh-title2); }
.block-service-name { display: flex; flex-direction: column; gap: 4px; font-weight: 500; }
.block-service-name .zh { color: var(--p-300); }
.block-service-name .en { color: var(--n-500); font-size: var(--fs-body); line-height: var(--lh-body); }
.block-service-text p { font-size: var(--fs-body); line-height: var(--lh-body); }

.info-grid {
  display: grid;
  grid-template-columns: 640fr 744fr;
  gap: 56px;
  align-items: start;
}
.info-grid .pic-fake { aspect-ratio: 4 / 3; }
.info-text { display: flex; flex-direction: column; gap: 60px; }

.info-media { position: relative; aspect-ratio: 4 / 3; }
.info-media .info-pic {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity .6s ease;
}
.info-media .info-pic.is-active { opacity: 1; }
.info-pic-inline { display: none; }
.info-stack { display: flex; flex-direction: column; gap: 60px; }
.info-progress { display: none; }

/* Info 釘選切換（只在 JS 啟用且桌機寬度時）：整塊釘在畫面上，三段文字疊在同一位置，一次只顯示一段 */
.info-track.is-pinned .info-pin {
  position: sticky;
  top: calc(var(--header-top) + var(--header-h) + 16px);
}
.info-track.is-pinned .info-grid { margin-top: 32px; }
/* 釘住時圖片高度不超過畫面可用空間（矮螢幕自動縮小），寬度跟著等比例 */
.info-track.is-pinned .info-media {
  max-height: calc(100vh - var(--header-top) - var(--header-h) - 16px - 114px - 32px - 32px);
  max-height: calc(100svh - var(--header-top) - var(--header-h) - 16px - 114px - 32px - 32px);
  width: auto;
  max-width: 100%;
}
.info-track.is-pinned .info-text { display: flex; flex-direction: row; gap: 32px; align-items: flex-start; }
.info-track.is-pinned .info-stack { flex: 1; min-width: 0; }
.info-track.is-pinned .info-stack { display: grid; }
.info-track.is-pinned .info-block {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease, visibility 0s .5s;
}
.info-track.is-pinned .info-block.is-active {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity .5s ease .1s, transform .5s ease .1s, visibility 0s;
}
.info-track.is-pinned .info-progress { display: flex; flex-direction: column; gap: 12px; padding-top: 6px; flex-shrink: 0; }
/* 垂直進度條：目前這段的格子往下拉長 */
.info-progress span {
  width: 12px; height: 12px; border-radius: 1000px;
  background: var(--p-200);
  transition: height .3s var(--ease), background .3s;
}
.info-progress span.is-active { height: 48px; background: var(--p-300); }
.info-block h3, .block-info-text h3 {   /* 首頁 About 的「曉山波設計 SOLPO DESIGN」沿用 About 頁 Info 的標題樣式 */
  font-weight: 500; font-size: var(--fs-title2); line-height: var(--lh-title2);
  color: var(--p-300);
  margin-bottom: 16px;
}
.info-block p { font-size: var(--fs-body); line-height: var(--lh-body); }
.info-block p + p { margin-top: var(--lh-body); }

/* === 13. PROJECT DETAIL === */
.detail-hero {
  margin-top: 40px;
  aspect-ratio: 1296 / 728;
  border-radius: var(--radius-img);
  overflow: hidden;
  background: var(--p-100);
}
.detail-hero img { width: 100%; height: 100%; object-fit: cover; transform: scale(var(--zoom, 1)); }
.detail-hero img.is-tall { object-position: center top; }   /* 直式長圖（例如網頁設計）大圖區顯示最上方 */
/* 往下捲時 Cover 擴展到整個畫面寬（js：initHeroExpand 設定 --p 0→1、--base-w、--full-w、--hero-h） */
.detail-hero.is-expandable {
  --p: 0;
  aspect-ratio: auto;
  height: var(--hero-h);
  width: calc(var(--base-w) + (var(--full-w) - var(--base-w)) * var(--p));
  margin-left: calc((var(--base-w) - var(--full-w)) / 2 * var(--p));
  border-radius: calc(var(--radius-img) * (1 - var(--p)));
}
.detail-body { width: min(640px, 100%); margin: 40px auto 0; }
.detail-title {
  font-weight: 600;   /* 2026-10-18：700 → 600（project.html 另外載入 Noto Sans TC 600） */
  font-size: calc(var(--fs-title1) * .8);   /* Title 1 縮小 20%：桌機 56 → 44.8px、小桌機 44 → 35.2px、手機 30 → 24px */
  line-height: 1.3;   /* 長標題折行時兩行不要太開 */
  color: var(--n-10);
}
.detail-meta { margin-top: 16px; font-size: 16px; line-height: 30px; color: var(--n-10); }
.detail-tags { color: var(--n-400); }   /* 標籤次要，跟卡片上的 # 標籤同色 */
.detail-meta-sep { display: inline-block; width: 1px; height: 14px; margin: 0 12px; background: #c9c9c9; vertical-align: -1px; }
.detail-divider { margin: 40px 0; height: 1px; background: #d9d9d9; }
.detail-desc { font-size: var(--fs-body); line-height: var(--lh-body); color: var(--n-10); }
.detail-desc p { white-space: pre-line; }   /* 資料裡的 \n 顯示為換行（保留 Behance 原本的斷行） */
.detail-desc p + p { margin-top: var(--lh-body); }   /* 段落間距跟首頁一致：空一行 */
.detail-list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.detail-list li { position: relative; padding-left: 16px; }
.detail-list li::before {
  content: ''; position: absolute; left: 2px; top: 10px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--p-300);
}
.detail-images { margin-top: 40px; display: flex; flex-direction: column; gap: 40px; }
.detail-images img {
  width: 100%; height: auto;
  border-radius: var(--radius-img);
  background: var(--p-100);
}
.detail-figure { margin: 0; }
.detail-figure.has-heading:not(:first-child) { margin-top: 24px; }
.detail-heading {
  margin-bottom: 16px;
  font-size: 20px; line-height: 32px; font-weight: 500;
  color: var(--p-950);
}
.detail-caption {
  margin-top: 12px;
  font-size: 15px; line-height: 28px;
  color: var(--n-10);
}
.detail-caption strong { font-weight: 600; color: var(--p-950); margin-right: 8px; }
@media (max-width: 600px) {
  .detail-figure.has-heading:not(:first-child) { margin-top: 16px; }
  .detail-heading { font-size: 18px; line-height: 30px; margin-bottom: 12px; }
  .detail-caption { font-size: 14px; line-height: 25.3px; margin-top: 10px; padding-bottom: 16px; }   /* 圖說跟下一張圖拉開，看得出圖說屬於上一張 */
}
.zoomable {
  display: block; width: 100%; padding: 0;
  border-radius: var(--radius-img);
  overflow: hidden;
  /* 游標：N-50 圓底、P-950 1px 線條「add」，32px（Chrome 超過 32px 的自訂游標在畫面邊緣會變回內建游標），熱點在圓心；不支援時退回 zoom-in */
  cursor: url(../assets/cursor-add.png?v=6) 16 16, zoom-in;
  cursor: -webkit-image-set(url(../assets/cursor-add.png?v=6) 1x, url(../assets/cursor-add@2x.png?v=6) 2x) 16 16, zoom-in;
  cursor: image-set(url(../assets/cursor-add.png?v=6) 1x, url(../assets/cursor-add@2x.png?v=6) 2x) 16 16, zoom-in;
}
.zoomable img { transition: transform .4s var(--ease), filter .2s; }
.zoomable:focus-visible { outline: 3px solid var(--p-300); outline-offset: 4px; }
.zoomable:active img, .zoomable.is-pressed img { filter: brightness(.94); }
@media (hover: hover) { .zoomable:hover img { transform: scale(1.02); } }

/* === 燈箱 === */
.lightbox {
  position: fixed; inset: 0; z-index: 600;
  background: rgba(14, 14, 14, .92);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  transition: opacity .25s ease;
}
.lightbox.open { opacity: 1; }
.lightbox-stage {
  min-height: 100%;
  display: flex; align-items: center; justify-content: center;
  padding: 88px var(--gutter);
  /* 點背景關閉燈箱：游標換成 Material Symbols「close」圓形徽章 */
  cursor: url(../assets/cursor-close.png?v=6) 16 16, zoom-out;
  cursor: -webkit-image-set(url(../assets/cursor-close.png?v=6) 1x, url(../assets/cursor-close@2x.png?v=6) 2x) 16 16, zoom-out;
  cursor: image-set(url(../assets/cursor-close.png?v=6) 1x, url(../assets/cursor-close@2x.png?v=6) 2x) 16 16, zoom-out;
}
.lightbox-img {
  display: block;
  width: auto; height: auto;
  max-width: 100%;
  max-height: calc(100vh - 176px);
  max-height: calc(100svh - 176px);
  border-radius: 8px;
  cursor: default;
  transform: scale(.98);
  transition: transform .25s var(--ease);
}
.lightbox.open .lightbox-img { transform: none; }
/* 長形圖：以寬度為主，上下捲動 */
.lightbox.is-long .lightbox-stage { align-items: flex-start; }
.lightbox.is-long .lightbox-img { width: min(100%, 1200px, var(--natural-w, 100%)); max-height: none; }
.lightbox-close {
  position: fixed; top: 24px; right: 24px; z-index: 1;
  background: var(--n-50);
  color: var(--p-950);
  box-shadow: 0 2px 12px rgba(0, 0, 0, .25);
}
@media (hover: hover) { .lightbox-close:hover { background: var(--p-200); } }
.lightbox-close .i { width: 32px !important; height: 32px !important; }
/* 或許你也想看看（詳情頁最下方，橫式專案卡片 ×3）*/
.related { margin-top: 160px; padding-top: 40px; border-top: 2px solid var(--n-100); }
.related-title {
  font-weight: 500; font-size: var(--fs-title2); line-height: var(--lh-title2);
  color: var(--p-300);
  margin-bottom: 24px;
}
.detail-nav {
  margin-top: 80px;
  display: flex; justify-content: space-between; gap: 16px;
}
.detail-nav .prev .icon-wrap { transform: scaleX(-1); }
.detail-nav .btn-text-icon { min-width: 0; max-width: calc(50% - 8px); }
/* 專案名稱最多約 10 個中文字，超過顯示刪節號（滑鼠停留會顯示完整名稱）*/
.detail-nav-label {
  min-width: 0;
  max-width: 10em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* === 14. FOOTER（Bar_Footer）=== */
.site-footer { margin-top: 200px; }
/* 小彩蛋：游標移到 Copyright 上，淡出換成「歡迎來到曉山波設計」 */
.footer-egg { display: inline-grid; cursor: default; -webkit-user-select: none; user-select: none; }
/* 先淡出、再淡入（不交疊、不模糊）；不做尺寸或字距變化 */
.footer-egg > span { grid-area: 1 / 1; text-align: center; white-space: nowrap; }
.footer-egg .egg-a { transition: opacity .35s cubic-bezier(.4, 0, .2, 1) .3s; }
.footer-egg .egg-b {
  opacity: 0;
  color: var(--p-500);
  transition: opacity .3s cubic-bezier(.4, 0, .2, 1);
}
.footer-egg.is-on .egg-a { opacity: 0; transition: opacity .3s cubic-bezier(.4, 0, .2, 1); }
.footer-egg.is-on .egg-b { opacity: 1; transition: opacity .6s cubic-bezier(.4, 0, .2, 1) .25s; }
@media (hover: hover) {
  .footer-egg:hover .egg-a { opacity: 0; transition: opacity .3s cubic-bezier(.4, 0, .2, 1); }
  .footer-egg:hover .egg-b { opacity: 1; transition: opacity .6s cubic-bezier(.4, 0, .2, 1) .25s; }
}
.site-footer .container {
  height: 80px;
  border-top: 1px solid var(--n-100);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; line-height: 24px; color: #000;
}

/* === 15. CONTACT MODAL（沿用作品集網站）=== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(36, 48, 60, .32);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .24s;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal-box {
  position: relative;
  width: 480px; max-width: calc(100vw - 32px);
  padding: 56px 64px;
  border-radius: var(--radius-pill);
  background: var(--n-50);
  border: 1px solid var(--white);
  box-shadow: 0 16px 56px rgba(36, 48, 60, .16);
  display: flex; flex-direction: column; align-items: center;
  transform: translateY(20px) scale(.97);
  transition: transform .26s var(--ease);
}
.modal-overlay.open .modal-box { transform: none; }
.modal-close { position: absolute; top: 16px; right: 16px; }
.modal-close .i { width: 32px !important; height: 32px !important; }
.modal-title {
  font-family: var(--font-serif); font-weight: 600;
  font-size: 48px; line-height: 1.2;
  color: var(--p-300);
  margin-bottom: 32px;
}
.modal-items { display: flex; flex-direction: column; gap: 20px; }
.modal-item {
  display: flex; align-items: center; gap: 14px;
  font-size: 18px; line-height: 28px;
  color: var(--p-950);
  transition: color var(--t);
}
.modal-item .i { width: 24px; height: 24px; color: var(--p-300); }
@media (hover: hover) { .modal-item:hover { color: var(--p-300); } }
.modal-row { position: relative; display: flex; align-items: center; gap: 4px; }
.copy-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--n-500);
  transition: background var(--t), color var(--t);
}
.copy-btn .copy-done { display: none; }
.copy-btn.is-copied { color: var(--p-500); }
.copy-btn.is-copied .copy-icon { display: none; }
.copy-btn.is-copied .copy-done { display: flex; }
.copy-btn:active, .copy-btn.is-pressed { background: var(--p-200); }
@media (hover: hover) {
  .copy-btn:hover { background: var(--p-50); color: var(--p-500); }
  .copy-btn:active { background: var(--p-200); }
}
.copy-tip {
  position: absolute; left: 100%; top: 50%;
  margin-left: 4px;
  transform: translate(-4px, -50%);
  font-size: 14px; line-height: 20px; color: var(--p-500);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t), transform var(--t);
}
.copy-tip.show { opacity: 1; transform: translate(0, -50%); }

/* === 16. 404 === */
.page-404 {
  min-height: 100vh; min-height: 100svh;
  position: relative;
  overflow: hidden;
  background: radial-gradient(120% 120% at 0% 0%, #eaf5f9 0%, #bad5e0 100%);
  display: flex; align-items: center; justify-content: center;
}
.page-404::before { content: ''; position: absolute; inset: 0; background: rgba(128, 168, 188, .4); }
.page-404::after {
  content: ''; position: absolute; inset: 0;
  opacity: .35; mix-blend-mode: multiply; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .3 0 0 0 0 .4 0 0 0 0 .45 0 0 0 1.6 -1.1'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.page-404 .logo-404 { position: absolute; top: 60px; left: 100px; z-index: 1; }
.page-404 .logo-404 img { width: 200px; height: 95px; object-fit: contain; }
.msg-404 { position: relative; z-index: 1; padding: 0 24px; }
.msg-404 h1 { font-family: 'Chonburi', serif; font-weight: 400; font-size: 80px; line-height: 1.2; color: var(--p-950); }
.msg-404 p { font-weight: 500; font-size: 24px; line-height: 36px; color: var(--n-500); }

/* === 17. SCROLL REVEAL === */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .55s cubic-bezier(.22,1,.36,1), transform .55s cubic-bezier(.22,1,.36,1); }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* --- 小桌機（≤1200）--- */
@media (max-width: 1200px) {
  :root { --fs-display: 64px; --fs-title1: 44px; --lh-title1: 64px; --gutter: 40px; }
  .header-menu { gap: 24px; }
  .card-h .card-img { width: 380px; }
  .block-service { grid-template-columns: 200px 1fr; gap: 28px; }
  .service-grid { gap: 56px 48px; }
}

/* --- 平板（≤1024）--- */
@media (max-width: 1024px) {
  :root {
    --fs-display: 56px;
    --fs-title2: 20px; --lh-title2: 36.8px;
    --gutter: 32px;
    --header-top: 24px; --header-h: 76px;
  }
  .header-logo { padding: 0 14px; border-radius: 28px; }
  .header-logo img { width: 200px; height: 52px; }
  .header-menu { gap: 22px; padding: 0 10px 0 24px; border-radius: 28px; }
  .header-divider { height: 40px; }

  .hero-card { margin-left: 0; width: 480px; padding: 28px 32px 22px; }
  .block-info { grid-template-columns: 1fr; gap: 40px; }
  .block-info .pic-fake, .block-info-img { max-width: 640px; }
  .card-h .card-img { width: 300px; }
  .card-h-body { padding: 12px; }
  .projects-grid { gap: 32px 24px; }
  .service-grid { grid-template-columns: 1fr; gap: 48px; }
  .block-service { grid-template-columns: 200px 1fr; }
  .info-grid { grid-template-columns: 1fr; gap: 48px; }
  .info-grid .pic-fake { max-width: 640px; }
  /* 平板／手機：不釘選，每段上方各放一張圖 */
  .info-media { display: none; }
  .info-pic-inline { display: block; margin-bottom: 24px; }
  .site-footer { margin-top: 140px; }
  .home-projects, .about-info { margin-top: 120px; }
}

/* --- 手機（≤600）--- */
@media (max-width: 600px) {
  :root {
    --fs-display: 44px;
    --fs-title1: 30px; --lh-title1: 42px;
    --fs-title2: 18px; --lh-title2: 34.5px;
    --gutter: 16px;
    --header-top: 16px; --header-h: 64px;
    --radius-img: 16px;
  }
  .page { padding-top: calc(var(--header-top) + var(--header-h) + 16px); }
  .site-header.nav-hidden { transform: translateY(-130px); }

  .header-logo { padding: 0 14px; border-radius: 22px; }
  .header-logo img { width: 162px; height: 42px; }
  .header-menu { display: none; }
  .nav-hamburger {
    display: flex; align-items: center; justify-content: center;
    width: 64px; height: 64px; border-radius: 50%;
  }
  .nav-hamburger.is-open { opacity: 0; }

  .btn-back.is-fixed { top: calc(var(--header-top) + var(--header-h) + 16px); }
  .btn-icon { width: 44px; height: 44px; }
  .btn-icon .i { width: 44px; height: 44px; }
  .title-bar { padding-bottom: 8px; }

  /* Hero：圖片在上、說明卡片疊在圖片下緣 */
  .hero-viewport { height: auto; aspect-ratio: auto; overflow: visible; background: none; display: grid; }
  .hero-slide { position: relative; inset: auto; grid-area: 1 / 1; display: flex; flex-direction: column; overflow: hidden; }
  .hero-slide img { height: 62vh; height: 62svh; min-height: 380px; }
  .hero-card-wrap { position: relative; bottom: auto; margin-top: -72px; }
  .hero-card { width: 100%; padding: 20px 24px 14px; border-radius: 24px; }
  .hero-card-action-pad { padding-top: 12px; }
  .hero-card-text { gap: 8px; }
  .hero-card-desc { min-height: calc(var(--lh-body) * 2); }   /* 手機卡片在文件流裡，保留最小高度避免換張時下方內容跳動 */
  .hero-controls { margin-top: 4px; padding: 12px 8px; gap: 8px; }
  .hero-dots { gap: 10px; }
  .hero-dot { width: 10px; height: 10px; }
  .hero-dot.is-active { width: 32px; }

  .home-about { margin-top: 56px; }
  .home-projects, .about-info { margin-top: 80px; }
  .section-body { margin-top: 32px; }
  .block-info { gap: 24px; }

  .card-list { gap: 16px; }
  .card-h { flex-direction: column; gap: 16px; padding: 12px; border-radius: 28px; }
  .card-h .card-img { width: 100%; }
  .card-h-body { padding: 0 8px 4px; flex-direction: row; align-items: flex-end; }
  .card-h-foot { align-items: flex-end; }
  .card-h-desc { -webkit-line-clamp: 3; }
  .card-arrow, .card-arrow .i { width: 44px; height: 44px; }
  .card-tags { font-size: 14px; line-height: 22px; gap: 0 10px; margin-bottom: 4px; }

  .projects-filter { margin-top: 16px; }
  .chips { gap: 8px; flex-wrap: nowrap; overflow-x: auto; margin-inline: calc(var(--gutter) * -1); padding: 0 var(--gutter) 4px; scrollbar-width: none; }
  .chips::-webkit-scrollbar { display: none; }
  .chip { flex-shrink: 0; font-size: 15px; }
  .projects-grid { margin-top: 24px; grid-template-columns: 1fr; gap: 16px; }
  .card-v { gap: 16px; padding: 12px; border-radius: 28px; }
  .card-v-body { padding: 0 8px; }

  .about-service { margin-top: 40px; }
  .about-process { margin-top: 40px; }
  .about-process + .about-service { margin-top: 80px; }
  .process-item { grid-template-columns: 32px 28px 1fr; }
  .process-num { font-size: 20px; padding: 26px 4px 0 0; }
  .process-dot { width: 14px; height: 14px; margin-top: 30px; }
  .process-card { margin-left: 8px; padding: 18px 20px; }
  .service-grid { gap: 32px; }
  .block-service { grid-template-columns: 112px 1fr; gap: 16px; }
  .block-service-text { gap: 8px; font-size: 16px; line-height: 30px; }
  .block-service-name { gap: 0; }
  .info-grid { gap: 32px; }
  .info-text { gap: 40px; }

  .detail-hero { margin-top: 16px; aspect-ratio: 4 / 3; }
  .detail-body { margin-top: 24px; }
  .detail-meta { margin-top: 8px; }
  .detail-divider { margin: 24px 0; }
  .detail-images { margin-top: 32px; gap: 16px; }
  .lightbox-stage { padding: 72px 0 24px; }
  .lightbox-img { max-height: calc(100vh - 96px); max-height: calc(100svh - 96px); border-radius: 0; }
  .lightbox-close { top: 12px; right: 12px; }
  .detail-nav { margin-top: 48px; }
  .related { margin-top: 80px; padding-top: 24px; }
  .related-title { margin-bottom: 16px; }

  .site-footer { margin-top: 96px; }
  .site-footer .container { font-size: 14px; }

  .modal-box { padding: 40px 28px; border-radius: 28px; }
  .modal-title { font-size: 36px; margin-bottom: 24px; }
  .modal-item { font-size: 16px; }

  .page-404 .logo-404 { top: 24px; left: 16px; }
  .page-404 .logo-404 img { width: 140px; height: 66px; }
  .msg-404 h1 { font-size: 64px; }
  .msg-404 p { font-size: 18px; line-height: 30px; }
}

/* === 圖片防右鍵儲存／拖曳下載（只能擋一般使用者，無法完全防止截圖或從原始碼下載） === */
img {
  -webkit-user-drag: none; user-drag: none;
  -webkit-user-select: none; user-select: none;
  -webkit-touch-callout: none;   /* iOS 長按不跳出「儲存影像」 */
}

/* === About：Selected Works 經歷 === */
.about-works { margin-top: 160px; }
.works-group { display: grid; grid-template-columns: 240px 1fr; gap: 0 48px; padding: 40px 0; border-bottom: 1px solid var(--n-100); }
.works-group:first-child { padding-top: 0; }
.works-label { display: flex; flex-direction: column; gap: 4px; }
.works-label .zh { font-size: var(--fs-title2); line-height: var(--lh-title2); font-weight: 500; color: var(--p-300); }
.works-label .en { font-size: 14px; line-height: 22px; color: var(--n-500); }
.works-list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.works-item { display: grid; grid-template-columns: 320px 1fr; gap: 4px 24px; font-size: var(--fs-body); line-height: var(--lh-body); }
.works-client { font-weight: 500; color: var(--p-950); }
.works-names { display: flex; flex-wrap: wrap; gap: 4px 20px; color: var(--n-500); }
.works-names > * { display: inline-flex; align-items: center; gap: 4px; }
.works-link { color: var(--p-500); border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; }
.works-link .i { width: 18px; height: 18px; fill: currentColor; transition: transform .2s; }
@media (hover: hover) { .works-link:hover { color: var(--p-300); border-bottom-color: currentColor; } .works-link:hover .i { transform: translateX(3px); } }
.works-group.is-simple .works-item { grid-template-columns: 1fr; }
@media (max-width: 1024px) {
  .about-works { margin-top: 120px; }
  .works-group { grid-template-columns: 1fr; gap: 16px; padding: 32px 0; }
  .works-item { grid-template-columns: 1fr; gap: 2px; }
}
@media (max-width: 600px) {
  .about-works { margin-top: 80px; }
  .works-group { padding: 24px 0; }
  .works-list { gap: 16px; }
  .works-names { gap: 2px 16px; }
}

/* === About：Info（單張圖＋文字）=== */
.info-img { display: block; width: 100%; height: auto; border-radius: var(--radius-img); background: var(--p-100); }
.info-block h3 .en, .block-info-text h3 .en { display: block; margin-top: 4px; font-size: 14px; line-height: 22px; letter-spacing: .08em; color: var(--n-500); }
.info-block p.info-motto {   /* 引言樣式：左側品牌色細線＋深色文字，避免被誤認為連結 */
  margin-top: 40px; padding: 4px 0 4px 20px;
  border-left: 3px solid var(--p-300);
  font-size: 20px; line-height: 36.8px; font-weight: 500; color: var(--p-950);
}
@media (max-width: 600px) { .info-block p.info-motto { margin-top: 32px; padding-left: 16px; font-size: 17px; line-height: 32.2px; } }
@media (max-width: 1024px) { .info-img { max-width: 480px; } }
.info-text.info-block { display: block; }
.about-info .info-grid { grid-template-columns: 5fr 7fr; align-items: start; }
@media (max-width: 1024px) { .about-info .info-grid { grid-template-columns: 1fr; } }
/* About Info 文字較長：桌機（左右兩欄）捲動時左側圖片固定在畫面上（sticky），跟返回按鈕對齊 Header 下方；
   Header 往下捲隱藏時一起往上補位。畫面太矮時圖片高度縮到畫面內（裁切而不變形）*/
@media (min-width: 1025px) {
  .about-info .info-img {
    position: sticky;
    top: calc(var(--header-top) + var(--header-h) + 24px);
    max-height: calc(100vh - var(--header-top) - var(--header-h) - 48px);
    object-fit: cover;
    transition: opacity .55s cubic-bezier(.22,1,.36,1), transform .55s cubic-bezier(.22,1,.36,1), top .35s var(--ease);
  }
  body.header-hidden .about-info .info-img { top: var(--header-top); }
}

/* === Header：所有尺寸往下捲都會隱藏，往上捲再出現（原本只有手機）=== */
.site-header.nav-hidden { transform: translateY(calc(-1 * (var(--header-top) + var(--header-h) + 24px))); }

/* === About 區塊順序：Info → Selected Works → Service → Process → Contact（統一上下間距）=== */
.about-info { margin-top: 80px; }
.about-works, .about-service, .about-process, .about-process + .about-service, .about-contact { margin-top: 160px; }
@media (max-width: 1024px) {
  .about-info { margin-top: 64px; }
  .about-works, .about-service, .about-process, .about-contact { margin-top: 120px; }
}
@media (max-width: 600px) {
  .about-info { margin-top: 40px; }
  .about-works, .about-service, .about-process, .about-contact { margin-top: 80px; }
}

/* === About：Contact 聯絡表單 === */
.contact-grid { display: grid; grid-template-columns: 4fr 8fr; gap: 56px; align-items: start; }
.contact-intro h3 { font-weight: 500; font-size: var(--fs-title2); line-height: var(--lh-title2); color: var(--p-300); margin-bottom: 16px; }
.contact-intro p { font-size: var(--fs-body); line-height: var(--lh-body); color: var(--n-10); }
.contact-intro .contact-mail { margin-top: 24px; color: var(--n-500); }
.contact-mail a { color: var(--p-500); font-weight: 500; border-bottom: 1px solid currentColor; }
@media (hover: hover) { .contact-mail a:hover { color: var(--p-300); } }

.contact-form {
  display: flex; flex-direction: column; gap: 24px;
  padding: 40px;
  border: 1px solid var(--n-100);
  border-radius: var(--radius-img);
  background: rgba(255, 255, 255, .4);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-label { display: flex; align-items: center; gap: 8px; font-size: 16px; line-height: 24px; font-weight: 500; color: var(--p-950); }
.form-label em, .form-optional {
  font-style: normal; font-weight: 400; font-size: 12px; line-height: 20px;
  padding: 0 8px; border-radius: 100px;
}
.form-label em { background: var(--p-50); color: var(--p-500); }
.form-optional { background: var(--n-100); color: var(--n-500); }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  font: inherit; font-size: 16px; line-height: 24px; color: var(--n-950);
  padding: 13px 16px;
  border: 1px solid var(--n-200);
  border-radius: 16px;
  background: rgba(255, 255, 255, .75);
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  -webkit-appearance: none; appearance: none;
}
.contact-form textarea { resize: vertical; min-height: 140px; }
.contact-form ::placeholder { color: var(--n-400); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--p-300); background: #fff;
  box-shadow: 0 0 0 4px var(--p-100);
}
@media (hover: hover) { .contact-form input:hover, .contact-form select:hover, .contact-form textarea:hover { border-color: var(--p-200); } }
.form-select { position: relative; }
.select-trigger {
  display: flex; align-items: center; width: 100%;
  font: inherit; font-size: 16px; line-height: 24px; color: var(--n-950); text-align: left;
  padding: 13px 48px 13px 16px;
  border: 1px solid var(--n-200); border-radius: 16px;
  background: rgba(255, 255, 255, .75);
  cursor: pointer;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}
.select-trigger.is-empty { color: var(--n-400); }
.select-trigger::after {
  content: ''; position: absolute; right: 20px; top: 26px; width: 9px; height: 9px; margin-top: -6px;
  border-right: 1.75px solid var(--n-500); border-bottom: 1.75px solid var(--n-500);   /* 跟全站線條圖示一致 1.75px */
  transform: rotate(45deg); transition: transform .25s var(--ease), margin-top .25s var(--ease);
}
.form-select.is-open .select-trigger::after { transform: rotate(-135deg); margin-top: -1px; }
.select-trigger:focus-visible, .form-select.is-open .select-trigger {
  outline: none; border-color: var(--p-300); background: #fff; box-shadow: 0 0 0 4px var(--p-100);
}
@media (hover: hover) { .select-trigger:hover { border-color: var(--p-200); } }
.select-list {
  list-style: none;
  position: absolute; left: 0; right: 0; top: calc(100% + 8px); z-index: 20;
  padding: 8px;
  border: 1px solid var(--n-100); border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(36, 48, 60, .12);
  opacity: 0; transform: translateY(-6px); pointer-events: none; visibility: hidden;
  transition: opacity .2s ease, transform .2s var(--ease), visibility .2s;
}
.form-select.is-open .select-list { opacity: 1; transform: none; pointer-events: auto; visibility: visible; }
.select-list [role="option"] {
  position: relative;
  padding: 10px 40px 10px 12px; border-radius: 10px;
  font-size: 16px; line-height: 24px; color: var(--n-10);
  cursor: pointer; transition: background var(--t), color var(--t);
}
.select-list [role="option"].is-active { background: var(--p-50); color: var(--p-500); }
.select-list [role="option"][aria-selected="true"] { color: var(--p-500); font-weight: 500; }
.select-list [role="option"][aria-selected="true"]::after {
  content: ''; position: absolute; right: 16px; top: 50%; width: 5px; height: 10px; margin-top: -7px;
  border-right: 1.75px solid var(--p-500); border-bottom: 1.75px solid var(--p-500); transform: rotate(45deg);
}
.form-error { min-height: 0; font-size: 14px; line-height: 20px; color: #b4574a; }
.form-error:empty { display: none; }
.form-field.has-error input, .form-field.has-error textarea { border-color: #d48b80; background: #fff; }
.form-trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; margin-top: 8px; }
.form-actions .btn-primary { filter: none; }   /* 表單送出按鈕不要陰影 */
.form-actions .btn-primary .i { width: 24px; height: 24px; fill: currentColor; }
.form-status { font-size: 15px; line-height: 22px; color: var(--n-500); }
.form-status.is-success { color: var(--p-500); font-weight: 500; }
.form-status.is-error { color: #b4574a; }
@media (max-width: 1024px) { .contact-grid { grid-template-columns: 1fr; gap: 32px; } }
@media (max-width: 600px) {
  .contact-form { padding: 24px 20px; gap: 20px; }
  .form-row { grid-template-columns: 1fr; gap: 20px; }
  .form-actions .btn-primary { width: 100%; }
}

/* === Contact 獨立頁 === */
.about-contact.contact-page { margin-top: 80px; }
.contact-intro .contact-mail { margin-top: 24px; margin-bottom: 4px; }
.contact-mail-row { display: inline-flex; }
.contact-mail-row > a { color: var(--p-500); font-weight: 500; border-bottom: 1px solid currentColor; }
@media (hover: hover) { .contact-mail-row > a:hover { color: var(--p-300); } }
.contact-mail-row .copy-btn .i { width: 20px; height: 20px; fill: currentColor; }
@media (max-width: 1024px) { .about-contact.contact-page { margin-top: 64px; } }
@media (max-width: 600px) { .about-contact.contact-page { margin-top: 40px; } }

/* === Hero A 方案、Header LOGO 與 Contact（2026-10-16）=== */
/* ===== Hero：說明與切換控制在圖片下方（.hero--below）===== */
.hero--below .hero-bar-inner {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 48px; padding-top: 28px;
}
.hero--below .hero-card {
  flex: 1; min-width: 0; width: auto; max-width: 760px;
  padding: 0; background: none; border: 0; border-radius: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.hero--below .hero-card-text { flex: 1; min-width: 0; gap: 6px; }
.hero--below { --hb-fs: 20px; --hb-lh: 32px; }
/* 圖片高度比原本矮 72px，讓第一個畫面就看得到下方的 Show Detail */
@media (min-width: 601px) { .hero--below .hero-viewport { height: clamp(464px, calc(47.92vw - 96px), 824px); } }
/* 圖片底部淡成背景色（N-50），消除圖片與下方說明之間的硬邊；多段色標模擬 ease 曲線，避免色帶 */
.hero--below .hero-viewport::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  height: 140px; pointer-events: none;
  background: linear-gradient(to bottom,
    rgba(250, 245, 245, 0) 0%, rgba(250, 245, 245, .03) 10%, rgba(250, 245, 245, .1) 20%,
    rgba(250, 245, 245, .22) 30%, rgba(250, 245, 245, .37) 40%, rgba(250, 245, 245, .53) 50%,
    rgba(250, 245, 245, .68) 60%, rgba(250, 245, 245, .81) 70%, rgba(250, 245, 245, .91) 80%,
    rgba(250, 245, 245, .97) 90%, var(--n-50) 100%);
}
@media (max-width: 600px) { .hero--below .hero-viewport::after { height: 96px; } }
.hero--below .hero-card-title { font-size: var(--hb-fs); line-height: var(--hb-lh); }
.hero--below .hero-card-desc {
  color: var(--n-600);
  -webkit-line-clamp: 2;
  min-height: calc(var(--lh-body) * 2);
}
.hero--below .hero-card-action,
.hero--below .hero-card:hover .hero-card-action { grid-template-rows: 1fr !important; opacity: 1 !important; flex: none; }
.hero--below .hero-card-action-pad { padding: 6px 0; }
/* 一直展開，不需要裁切；讓 hover 的圓形底完整顯示 */
.hero--below .hero-card-action > div { overflow: visible; }
/* View Detail 的感應範圍往外多 12px，游標靠近就暫停輪播 */
.hero--below .hero-card-link { padding: 8px 12px; margin: -8px -12px; }
/* 桌機：簡介寬度夠，最多一行，跟 Show Detail 的距離縮短 */
@media (min-width: 1025px) {
  .hero--below .hero-card-desc { -webkit-line-clamp: 1; min-height: var(--lh-body); }
}
/* Page Control 跟標題靠上對齊：箭頭的中線對齊標題第一行的中線（扣掉控制列外圍 12px 緩衝） */
.hero--below .hero-controls { flex: none; margin: calc((var(--hb-lh) - 56px) / 2 - 12px) -12px 0 0; }

@media (max-width: 1024px) { .hero--below { --hb-fs: 18px; --hb-lh: 30px; } }

/* ===== Header LOGO 底色較不透明，深色或同色系圖片上也看得清楚 ===== */
.site-header .header-logo.glass { background: rgba(250, 245, 245, .9); }   /* 固定 90%，不隨捲動改變 */

/* ===== Header 的 Contact：淡色底膠囊（P-100 70%，無陰影）===== */
.header-menu .btn-primary {
  background: rgba(219, 232, 238, .7);   /* P-100，70% 不透明 */
  filter: none;
  padding: 12px 18px 12px 22px;
  color: var(--p-600);
}
.header-menu .btn-primary .i { transition: transform var(--t) var(--ease); }
@media (hover: hover) {
  .header-menu .btn-primary:hover { background: var(--p-200); color: var(--p-700); }
  .header-menu .btn-primary:hover .i { transform: translateX(3px); }
}
.header-menu .btn-primary:active, .header-menu .btn-primary.is-pressed { background: var(--p-200); color: var(--p-700); }

@media (max-width: 600px) {
  .hero--below { --hb-fs: 17px; --hb-lh: 28px; }
  /* 手機：Page Control 在標題上面 */
  .hero--below .hero-bar-inner { flex-direction: column; align-items: stretch; gap: 4px; padding-top: 12px; }
  .hero--below .hero-controls { order: -1; margin: 0 0 0 -22px; }   /* 齊左：扣掉控制列緩衝與圖示內留白，讓箭頭的筆畫跟下方文字對齊 */
}

/* === Back to Top 懸浮按鈕（右下角）=== */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 250;
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--n-50); color: var(--p-950);
  box-shadow: 0 4px 24px rgba(42, 59, 73, .16);   /* 模糊 24px，比較柔和擴散 */
  opacity: 0; visibility: hidden; transform: translateY(12px) scale(1);
  transition: opacity .3s ease, visibility .3s, transform .25s var(--ease), background .2s;
}
.to-top .i { width: 22px; height: 22px; }
.to-top.is-shown { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
@media (hover: hover) {
  .to-top.is-shown:hover { transform: scale(1.15); background: var(--p-100); }
}
/* 按下：縮小；放開：用回彈曲線回到原本大小 */
.to-top.is-shown.is-pressing { transform: scale(.9); transition-duration: .12s; }
.to-top.is-shown.is-released { transform: scale(1); transition: opacity .3s ease, visibility .3s, transform .45s cubic-bezier(.34, 1.56, .64, 1), background .2s; }
.to-top:focus-visible { outline: 3px solid var(--p-300); outline-offset: 3px; }
@media (max-width: 600px) {
  .to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
  .to-top .i { width: 20px; height: 20px; }
}

/* === 全站 hover 一致：可點的東西滑過時都「微微放大」（用 scale 屬性，不影響原本的 transform 動畫）===
   按鈕 5%、純圖示按鈕 8–10%、LOGO（外框不動，框內圖案）5%；Header 的 About / Projects 文字改成拉開字距；
   卡片與可放大的圖原本就有圖片放大，Back to Top 維持 15%；頁尾 copyright 彩蛋不放大 */
/* LOGO：外框不動，只有框裡的 LOGO 圖從中心放大 5% */
.site-header .header-logo img { transition: scale .3s var(--ease); }
.sns-link { transition: color var(--t), scale var(--t) var(--ease); }
.text-btn { transition: color var(--t), letter-spacing var(--t) var(--ease); }
.btn-primary { transition: background var(--t), color var(--t), gap var(--t), scale var(--t) var(--ease); }
.btn-icon { transition: background var(--t), color var(--t), opacity var(--t), scale var(--t) var(--ease); }
.btn-text-icon { transform-origin: left center; transition: gap var(--t) var(--ease), scale var(--t) var(--ease); }
.btn-back { transform-origin: left center; }
.btn-back:not(.is-fixed) { transition: gap var(--t), scale var(--t) var(--ease); }
.btn-back.is-fixed {
  transition: gap var(--t), opacity .3s ease, transform .3s ease, top .35s var(--ease),
              background .3s ease, border-color .3s ease, backdrop-filter .3s ease, -webkit-backdrop-filter .3s ease, scale var(--t) var(--ease);
}
.chip { transition: background .3s ease, border-color .3s ease, transform .35s cubic-bezier(.34, 1.56, .64, 1), scale var(--t) var(--ease); }
.copy-btn { transition: background var(--t), color var(--t), scale var(--t) var(--ease); }
.modal-item { transform-origin: left center; transition: color var(--t), scale var(--t) var(--ease); }
.works-names > .works-link { transform-origin: left center; transition: color .2s, border-color .2s, scale .2s var(--ease); }
.contact-mail-row > a { display: inline-block; transform-origin: left center; transition: color var(--t), scale var(--t) var(--ease); }
.hero-dot { transition: width .3s var(--ease), background .3s, scale var(--t) var(--ease); }
@media (hover: hover) {
  .site-header .header-logo:hover img { scale: 1.05; }
  .sns-link:hover { scale: 1.1; }
  .header-menu .text-btn:hover { letter-spacing: .1em; }
  .btn-primary:hover:not(:disabled) { scale: 1.05; }
  .btn-icon:hover:not(:disabled) { scale: 1.08; }
  .btn-text-icon:hover { scale: 1.05; }
  .btn-back:hover { scale: 1.05; }
  .chip:hover { scale: 1.05; }
  .copy-btn:hover { scale: 1.1; }
  .modal-item:hover { scale: 1.04; }
  .works-names > .works-link:hover { scale: 1.04; }
  .contact-mail-row > a:hover { scale: 1.04; }
  .hero-dot:hover { scale: 1.25; }
  /* 按下去：回到原本尺寸（字距也收回），做出「點下去」的手感 */
  .site-header .header-logo:hover:active img, .sns-link:hover:active, .btn-primary:hover:active, .btn-icon:hover:active,
  .btn-text-icon:hover:active, .btn-back:hover:active, .chip:hover:active, .copy-btn:hover:active, .modal-item:hover:active,
  .works-names > .works-link:hover:active, .contact-mail-row > a:hover:active, .hero-dot:hover:active { scale: 1; transition-duration: .1s; }
  .header-menu .text-btn:hover:active { letter-spacing: .05em; transition-duration: .1s; }
}

/* === 燈箱 v2（2026-10-19）：左右切換區、小標題、圖說（超過 2 行摺疊）、張數、載入中提示、頁面 Loader ===
   寫在原本燈箱樣式之後，覆蓋舊的設定 */
.lightbox-stage { flex-direction: column; padding: 96px calc(var(--gutter) + 72px) 56px; }
/* 燈箱 v2 的 stage 改成直向排列，舊的長圖規則 align-items: flex-start 變成「靠左」；長圖改回水平置中、從上方開始 */
.lightbox.is-long .lightbox-stage { align-items: center; justify-content: flex-start; }
.lightbox-figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 14px; max-width: 100%;
  transition: opacity .14s ease; }
.lightbox-figure.is-switching { opacity: 0; }
.lightbox-imgwrap { position: relative; max-width: 100%; display: flex; justify-content: center; min-width: 48px; min-height: 48px; }
.lightbox-img { max-height: calc(100vh - 152px - 34px); max-height: calc(100svh - 152px - 34px); }
.lightbox.has-caption .lightbox-img { max-height: calc(100vh - 152px - 34px - 94px); max-height: calc(100svh - 152px - 34px - 94px); }
/* 圖說：固定寬度的區塊跟圖片一起水平置中，區塊內文字齊左，長圖說比較好讀 */
/* width:0＋min-width：圖說不會把整個 figure 撐寬（figure 跟圖片一樣寬，左右兩側才都是切換區），寬度＝min(圖片寬, 720px) */
.lightbox-caption { width: 0; min-width: min(720px, 100%); text-align: left; font-size: 15px; line-height: 26px; color: rgba(255,255,255,.78); cursor: default; }
.lightbox-caption strong { color: #fff; font-weight: 600; margin-right: 8px; }
/* 摺起來：最多 2 行；「…展開」浮動在第二行最後面（::before 撐出「總高 − 1 行」的空間，按鈕 clear 後落在第二行右側） */
.lightbox-caption { --cap-lh: 26px; display: flex; }
.lightbox-caption-text { display: block; flex: 1; min-width: 0; }
.lightbox-caption.is-clamped .lightbox-caption-text { max-height: calc(var(--cap-lh) * 2); overflow: hidden; }
.lightbox-caption.has-more .lightbox-caption-text::before { content: ''; float: right; height: calc(100% - var(--cap-lh)); }
.lightbox-more { float: right; clear: both; margin-left: 10px; padding: 0; border: 0; background: none;
  font: inherit; font-size: 14px; line-height: var(--cap-lh); letter-spacing: .06em; color: var(--p-200); cursor: pointer;
  text-decoration: underline; text-underline-offset: 3px; }
@media (hover: hover) { .lightbox-more:hover { color: #fff; } }
.lightbox-more:focus-visible { outline: 2px solid var(--p-300); outline-offset: 2px; }
.lightbox-caption[hidden] { display: none; }
/* 張數：圖片下方；有圖說時在圖說下方 */
.lightbox-count { margin: 0; font-size: 13px; line-height: 20px; letter-spacing: .12em; color: rgba(255,255,255,.55);
  font-variant-numeric: tabular-nums; cursor: default; }
.lightbox-caption:not([hidden]) + .lightbox-count { margin-top: -4px; }
/* 目前這組的小標題：圖片上方、水平置中 */
.lightbox-heading { margin: 0; width: 0; min-width: min(720px, 100%); text-align: center;
  font-size: 18px; line-height: 28px; font-weight: 500; color: #fff; letter-spacing: .05em; cursor: default; }
.lightbox-heading[hidden] { display: none; }
/* 有小標題時，圖片再讓出標題的高度（28px 行高＋14px 間距） */
.lightbox.has-heading .lightbox-img { max-height: calc(100vh - 152px - 34px - 42px); max-height: calc(100svh - 152px - 34px - 42px); }
.lightbox.has-heading.has-caption .lightbox-img { max-height: calc(100vh - 152px - 34px - 94px - 42px); max-height: calc(100svh - 152px - 34px - 94px - 42px); }

/* 左右切換區（桌機）：畫面左半邊＝上一張、右半邊＝下一張，整片都能點；
   圖片、小標題、圖說、張數疊在切換區上面（點它們不會切換）；游標換成 32px 的「←」「→」 */
.lightbox-stage { pointer-events: none; cursor: default; }
.lightbox-figure { position: relative; z-index: 2; pointer-events: auto; cursor: default; }
.lightbox-close { z-index: 3; }
.lightbox-nav { position: fixed; top: 0; bottom: 0; z-index: 1; width: 50%; margin: 0; padding: 0 var(--gutter);
  border: 0; border-radius: 0; background: none; display: flex; align-items: center; -webkit-tap-highlight-color: transparent; }
.lightbox-prev { left: 0; justify-content: flex-start;
  cursor: url(../assets/cursor-prev.png) 16 16, w-resize;
  cursor: -webkit-image-set(url(../assets/cursor-prev.png) 1x, url(../assets/cursor-prev@2x.png) 2x) 16 16, w-resize;
  cursor: image-set(url(../assets/cursor-prev.png) 1x, url(../assets/cursor-prev@2x.png) 2x) 16 16, w-resize; }
.lightbox-next { right: 0; justify-content: flex-end;
  cursor: url(../assets/cursor-next.png) 16 16, e-resize;
  cursor: -webkit-image-set(url(../assets/cursor-next.png) 1x, url(../assets/cursor-next@2x.png) 2x) 16 16, e-resize;
  cursor: image-set(url(../assets/cursor-next.png) 1x, url(../assets/cursor-next@2x.png) 2x) 16 16, e-resize; }
.lightbox-nav:disabled { pointer-events: none; }
.lightbox-nav:disabled .nav-dot { opacity: 0; }
.lightbox-nav:focus-visible { outline: none; }
.lightbox-nav:focus-visible .nav-dot { outline: 2px solid var(--p-300); outline-offset: 3px; }
/* 桌機：只有 Icon、沒有圓形背景 */
.nav-dot { pointer-events: none; background: none; color: rgba(255, 255, 255, .85); }
.nav-dot .i { width: 32px !important; height: 32px !important; }
/* 圓形圖示只是靜態提示，游標靠近或點擊都不變樣式；回饋只靠游標：
   平常是淡色圓底「← →」，按下去的瞬間換成淡藍底（P-200），跟網站按鈕按下的節奏一致 */
.lightbox-prev:active { cursor: url(../assets/cursor-prev-pressed.png) 16 16, w-resize;
  cursor: -webkit-image-set(url(../assets/cursor-prev-pressed.png) 1x, url(../assets/cursor-prev-pressed@2x.png) 2x) 16 16, w-resize;
  cursor: image-set(url(../assets/cursor-prev-pressed.png) 1x, url(../assets/cursor-prev-pressed@2x.png) 2x) 16 16, w-resize; }
.lightbox-next:active { cursor: url(../assets/cursor-next-pressed.png) 16 16, e-resize;
  cursor: -webkit-image-set(url(../assets/cursor-next-pressed.png) 1x, url(../assets/cursor-next-pressed@2x.png) 2x) 16 16, e-resize;
  cursor: image-set(url(../assets/cursor-next-pressed.png) 1x, url(../assets/cursor-next-pressed@2x.png) 2x) 16 16, e-resize; }

/* Loader 動畫：Tail Spin（Sam Herbert, svg-loaders, MIT License），顏色跟著 currentColor */
.tail-spin { display: block; width: 48px; height: 48px; }
.tail-spin .ts-rot { transform-origin: 18px 18px; animation: ts-spin .9s linear infinite; }
@keyframes ts-spin { to { transform: rotate(360deg); } }
/* 燈箱圖片載入中：白色 Tail Spin 在中間 */
.lb-spinner { display: none; position: absolute; left: 50%; top: 50%; margin: -24px 0 0 -24px; color: #fff; }
.lightbox-imgwrap.is-loading .lb-spinner { display: block; }
.lightbox-imgwrap.is-loading .lightbox-img { opacity: 0; }
.lightbox-imgwrap.is-loading { min-width: min(60vw, 480px); min-height: 40vh; }

/* 頁面上的圖片載入中：淡藍底（P-100）＋由左往右掃過的柔光，載好後淡入 */
.img-loading { position: relative; background: var(--p-100); }
.zoomable.img-loading { aspect-ratio: 4 / 3; }
.img-loading img { opacity: 0; }
.img-loading::after { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(100deg, rgba(255,255,255,0) 30%, rgba(255,255,255,.55) 50%, rgba(255,255,255,0) 70%);
  background-size: 220% 100%; animation: img-shimmer 1.6s ease-in-out infinite; }
@keyframes img-shimmer { from { background-position: 120% 0; } to { background-position: -120% 0; } }
.img-loaded img { animation: img-in .5s ease both; }
@keyframes img-in { from { opacity: 0; } to { opacity: 1; } }

/* 頁面 Loader：整頁淡色底，中間是主色 Tail Spin＋「載入中」 */
.page-loader { position: fixed; inset: 0; z-index: 1000; background: var(--n-50); color: var(--p-300);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  transition: opacity .45s ease, visibility .45s; }
.page-loader.is-done { opacity: 0; visibility: hidden; }
/* 網路快時 0.4 秒內頁面就畫好、Loader 直接移除，所以先延遲 0.4 秒才淡入，避免每次換頁都閃一下 */
.page-loader:not(.is-done) { animation: pl-in .3s ease .4s both; }
@keyframes pl-in { from { opacity: 0; } to { opacity: 1; } }
.page-loader .tail-spin { width: 56px; height: 56px; }
.page-loader p { font-size: 14px; letter-spacing: .2em; color: var(--n-500); }

@media (prefers-reduced-motion: reduce) {
  .img-loading::after { animation: none; }
  .tail-spin .ts-rot { animation-duration: 2.4s; }
}

@media (max-width: 600px) {
  .lightbox-stage { padding: 72px 0 88px; }
  .lightbox-img { max-height: calc(100svh - 160px - 34px); }
  .lightbox.has-caption .lightbox-img { max-height: calc(100svh - 160px - 34px - 80px); }
  .lightbox-caption { --cap-lh: 24px; padding: 0 20px; font-size: 14px; line-height: 24px; }
  .lightbox-heading { padding: 0 20px; font-size: 16px; line-height: 26px; }
  .lightbox.has-heading .lightbox-img { max-height: calc(100svh - 160px - 34px - 40px); }
  .lightbox.has-heading.has-caption .lightbox-img { max-height: calc(100svh - 160px - 34px - 80px - 40px); }
  /* 手機：不用整片切換區，左右按鈕放在下方兩側（也可以左右滑動） */
  .lightbox-nav { top: auto; bottom: 16px; width: auto; padding: 0; cursor: pointer; }
  .lightbox-prev { left: 16px; } .lightbox-next { right: 16px; }
  .nav-dot { background: rgba(250, 245, 245, .14); color: #fff; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }   /* 手機：按鈕小，保留圓形底比較好按 */
  .lightbox-nav:active .nav-dot { background: var(--p-300); color: var(--p-950); }   /* 手機沒有游標，按下時用按鈕本身回饋 */
}

/* === 燈箱關閉按鈕的「磁鐵」（2026-10-19）===
   右上角 150×150 的關閉區：游標變成 32px 的「×」，點區域內任何位置都會關閉；
   游標靠近時按鈕往游標方向微微移動（js 設定 translate，最多 14px）並亮起來 */
.lightbox-close-zone { display: none; }
@media (hover: hover) and (min-width: 601px) {
  .lightbox-close-zone { display: block; position: fixed; top: 0; right: 0; z-index: 3; width: 150px; height: 150px;
    cursor: url(../assets/cursor-close.png?v=6) 16 16, pointer;
    cursor: -webkit-image-set(url(../assets/cursor-close.png?v=6) 1x, url(../assets/cursor-close@2x.png?v=6) 2x) 16 16, pointer;
    cursor: image-set(url(../assets/cursor-close.png?v=6) 1x, url(../assets/cursor-close@2x.png?v=6) 2x) 16 16, pointer; }
  .lightbox-close { z-index: 4; transition: translate .18s cubic-bezier(.22, 1, .36, 1), scale var(--t) var(--ease), background var(--t), color var(--t); }
  .lightbox-close.is-near { background: var(--p-200); scale: 1.08; }
  .lightbox-close:active { background: var(--p-300); scale: 1; }
}

/* === 燈箱切換區的 hover 提示（2026-10-19）===
   切換區看不到邊界，所以游標在哪一半，那一側的箭頭就亮起來、往外微移，提示「點下去會往這邊」。
   游標在圖片、圖說或右上角關閉區上時，切換區不算 hover，箭頭維持暗色（點下去也確實不會換張） */
@media (hover: hover) and (min-width: 601px) {
  .nav-dot { color: rgba(255, 255, 255, .45); transition: color .2s ease, translate .25s cubic-bezier(.22,1,.36,1); }
  .lightbox-nav:hover .nav-dot { color: #fff; }
  .lightbox-prev:hover .nav-dot { translate: -4px 0; }
  .lightbox-next:hover .nav-dot { translate: 4px 0; }
}
@media (hover: hover) and (min-width: 601px) and (prefers-reduced-motion: reduce) {
  .lightbox-prev:hover .nav-dot, .lightbox-next:hover .nav-dot { translate: none; }
}

/* === 詳情頁長條圖（2026-10-19）===
   高 / 寬 > 2 的圖（書籤、網頁長圖、型錄）在頁面上等比縮小、置中，高度最多 85% 畫面（上限 900px），整張一眼看完；
   點進燈箱才用長條大圖上下捲動看細節 */
.detail-images .zoomable.is-long { width: fit-content; max-width: 100%; margin-inline: auto; }
.detail-images .zoomable.is-long img { width: auto; max-width: 100%; max-height: min(85vh, 900px); max-height: min(85svh, 900px); }